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2025-12-11 - 08:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Dec 11, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50112112102,7sleep10-21swapper/119:09:311
49812111101,7sleep30-21swapper/319:09:093
4829210899,6sleep00-21swapper/019:07:090
4836210797,7sleep20-21swapper/219:07:152
152772630,0sleep115283-21irqrtprio20:10:171
236642610,0sleep20-21swapper/220:15:192
44182580,0sleep30-21swapper/323:50:183
192192570,1sleep30-21swapper/323:40:203
286732550,1sleep30-21swapper/321:43:203
162792540,0sleep20-21swapper/221:36:492
295252530,0sleep20-21swapper/223:15:192
12552530,0sleep20-21swapper/220:25:202
522499271,25cyclictest0-21swapper/219:31:222
522499270,26cyclictest0-21swapper/221:56:362
522499270,25cyclictest0-21swapper/200:34:412
522299270,26cyclictest0-21swapper/122:39:451
522299270,26cyclictest0-21swapper/119:21:191
521899270,26cyclictest0-21swapper/022:03:220
521899270,26cyclictest0-21swapper/021:50:530
522499261,22cyclictest0-21swapper/222:02:542
522499260,25cyclictest0-21swapper/223:22:502
522499260,25cyclictest0-21swapper/221:24:022
522499260,25cyclictest0-21swapper/219:17:372
522499260,25cyclictest0-21swapper/200:09:412
522299260,25cyclictest0-21swapper/119:53:131
522299260,25cyclictest0-21swapper/119:48:491
521899260,25cyclictest17305-21sh22:55:060
522499250,24cyclictest26713-21ssh22:12:392
522499250,24cyclictest0-21swapper/222:19:262
5222992522,3cyclictest0-21swapper/120:49:481
5222992521,3cyclictest0-21swapper/120:39:551
522299250,24cyclictest0-21swapper/119:40:011
522299250,23cyclictest0-21swapper/123:06:441
521899250,19cyclictest4198-21diskstats23:50:160
522499249,14cyclictest0-21swapper/221:26:262
522499242,18cyclictest0-21swapper/222:55:252
5224992413,10cyclictest0-21swapper/221:17:402
522499241,22cyclictest0-21swapper/220:06:582
522499240,23cyclictest0-21swapper/223:29:582
522499240,23cyclictest0-21swapper/222:54:442
522499240,18cyclictest0-21swapper/222:09:192
522299241,21cyclictest0-21swapper/121:40:471
522299240,23cyclictest0-21swapper/123:49:381
522299240,23cyclictest0-21swapper/123:28:461
522299240,23cyclictest0-21swapper/121:10:201
522299240,23cyclictest0-21swapper/100:22:021
522299240,22cyclictest0-21swapper/123:03:591
5218992416,7cyclictest0-21swapper/021:45:020
521899240,23cyclictest0-21swapper/023:05:060
521899240,23cyclictest0-21swapper/021:41:540
521899240,23cyclictest0-21swapper/000:27:020
1512522419,3sleep30-21swapper/321:35:433
5224992316,6cyclictest0-21swapper/223:52:202
5224992316,6cyclictest0-21swapper/221:42:202
5224992316,6cyclictest0-21swapper/200:21:332
522499231,21cyclictest0-21swapper/220:04:172
522499231,21cyclictest0-21swapper/220:04:162
522499230,22cyclictest0-21swapper/223:11:222
522499230,22cyclictest0-21swapper/222:37:332
522499230,22cyclictest0-21swapper/221:10:012
522499230,22cyclictest0-21swapper/200:19:072
522299233,18cyclictest23459-21switchtime22:40:231
522299232,20cyclictest0-21swapper/122:28:161
5222992320,3cyclictest0-21swapper/120:51:231
5222992316,7cyclictest0-21swapper/122:55:571
5222992315,7cyclictest0-21swapper/100:39:211
522299231,21cyclictest0-21swapper/122:53:451
522299231,21cyclictest0-21swapper/122:22:361
522299231,21cyclictest0-21swapper/122:14:451
522299231,21cyclictest0-21swapper/119:11:251
522299230,22cyclictest0-21swapper/123:57:101
522299230,22cyclictest0-21swapper/123:52:301
522299230,22cyclictest0-21swapper/123:33:391
522299230,22cyclictest0-21swapper/123:20:091
522299230,22cyclictest0-21swapper/121:21:421
522299230,22cyclictest0-21swapper/100:30:461
522299230,21cyclictest0-21swapper/123:16:481
522299230,17cyclictest0-21swapper/121:37:271
521899238,14cyclictest0-21swapper/022:07:240
5218992316,7cyclictest0-21swapper/023:42:180
521899230,22cyclictest0-21swapper/023:45:230
521899230,22cyclictest0-21swapper/023:23:020
521899230,22cyclictest0-21swapper/022:53:390
521899230,22cyclictest0-21swapper/000:19:000
521899230,1cyclictest0-21swapper/021:30:080
521899230,17cyclictest0-21swapper/022:18:210
3099922319,3sleep30-21swapper/319:29:353
1122922319,3sleep30-21swapper/320:35:073
522499222,19cyclictest0-21swapper/223:31:102
522499222,19cyclictest0-21swapper/222:46:192
522499222,19cyclictest0-21swapper/221:30:012
5224992219,3cyclictest0-21swapper/220:54:202
522499221,20cyclictest0-21swapper/222:40:102
522499220,21cyclictest0-21swapper/223:58:122
522499220,21cyclictest0-21swapper/223:08:422
522499220,21cyclictest0-21swapper/200:00:362
522499220,20cyclictest0-21swapper/222:31:252
522499220,20cyclictest0-21swapper/221:46:412
522499220,16cyclictest0-21swapper/200:36:232
522499220,16cyclictest0-21swapper/200:13:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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